Задание
\[\text{Решите уравнение }\tg{x}+\ctg{x}=2\]
- \[\frac{\pi}{4}+\pi n, n\in Z\]
- \[\frac{\pi}{4}+2\pi n, n\in Z\]
- \[\pm\frac{\pi}{4}+\pi n, n\in Z\]
- \[-\frac{\pi}{4}+\pi n, n\in Z\]